Differential D53157 Diff 208440 llvm/trunk/include/llvm/IR/IntrinsicInst.h

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llvm/trunk/include/llvm/IR/IntrinsicInst.h

Show First 20 Lines • Show All 202 Lines • ▼ Show 20 Lines	static bool classof(const Value *V) {
return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));		return isa<IntrinsicInst>(V) && classof(cast<IntrinsicInst>(V));
}		}
/// @}		/// @}
};		};

/// This is the common base class for constrained floating point intrinsics.		/// This is the common base class for constrained floating point intrinsics.
class ConstrainedFPIntrinsic : public IntrinsicInst {		class ConstrainedFPIntrinsic : public IntrinsicInst {
public:		public:
enum RoundingMode {		/// Specifies the rounding mode to be assumed. This is only used when
rmInvalid,		/// when constrained floating point is enabled. See the LLVM Language
rmDynamic,		/// Reference Manual for details.
rmToNearest,		enum RoundingMode : uint8_t {
rmDownward,		rmDynamic, ///< This corresponds to "fpround.dynamic".
rmUpward,		rmToNearest, ///< This corresponds to "fpround.tonearest".
rmTowardZero		rmDownward, ///< This corresponds to "fpround.downward".
};		rmUpward, ///< This corresponds to "fpround.upward".
		rmTowardZero ///< This corresponds to "fpround.tozero".
enum ExceptionBehavior {		};
ebInvalid,
ebIgnore,		/// Specifies the required exception behavior. This is only used when
ebMayTrap,		/// when constrained floating point is used. See the LLVM Language
ebStrict		/// Reference Manual for details.
		enum ExceptionBehavior : uint8_t {
		ebIgnore, ///< This corresponds to "fpexcept.ignore".
		ebMayTrap, ///< This corresponds to "fpexcept.maytrap".
		ebStrict ///< This corresponds to "fpexcept.strict".
};		};

bool isUnaryOp() const;		bool isUnaryOp() const;
bool isTernaryOp() const;		bool isTernaryOp() const;
RoundingMode getRoundingMode() const;		Optional<RoundingMode> getRoundingMode() const;
ExceptionBehavior getExceptionBehavior() const;		Optional<ExceptionBehavior> getExceptionBehavior() const;

		/// Returns a valid RoundingMode enumerator when given a string
		/// that is valid as input in constrained intrinsic rounding mode
		/// metadata.
		static Optional<RoundingMode> StrToRoundingMode(StringRef);

		/// For any RoundingMode enumerator, returns a string valid as input in
		/// constrained intrinsic rounding mode metadata.
		static Optional<StringRef> RoundingModeToStr(RoundingMode);

		/// Returns a valid ExceptionBehavior enumerator when given a string
		/// valid as input in constrained intrinsic exception behavior metadata.
		static Optional<ExceptionBehavior> StrToExceptionBehavior(StringRef);

		/// For any ExceptionBehavior enumerator, returns a string valid as
		/// input in constrained intrinsic exception behavior metadata.
		static Optional<StringRef> ExceptionBehaviorToStr(ExceptionBehavior);

// Methods for support type inquiry through isa, cast, and dyn_cast:		// Methods for support type inquiry through isa, cast, and dyn_cast:
static bool classof(const IntrinsicInst *I) {		static bool classof(const IntrinsicInst *I) {
switch (I->getIntrinsicID()) {		switch (I->getIntrinsicID()) {
case Intrinsic::experimental_constrained_fadd:		case Intrinsic::experimental_constrained_fadd:
case Intrinsic::experimental_constrained_fsub:		case Intrinsic::experimental_constrained_fsub:
case Intrinsic::experimental_constrained_fmul:		case Intrinsic::experimental_constrained_fmul:
case Intrinsic::experimental_constrained_fdiv:		case Intrinsic::experimental_constrained_fdiv:
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